Deparametrization and path integral quantization of cosmological models

Includes bibliographical references (p. 133-135) and index; The problem of time is a central feature of quantum cosmology: differing from ordinary quantum mechanics, in cosmology there is nothing “outside” the system which plays the role of clock, and this makes difficult the obtention of a co...

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Tác giả chính: Simeone, Claudio
Định dạng: Sách
Ngôn ngữ:Undetermined
Được phát hành: Singapore World Scientific c2001
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Truy cập trực tuyến:http://lrc.tdmu.edu.vn/opac/search/detail.asp?aID=2&ID=32429
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090 |b S310 
100 |a Simeone, Claudio 
245 0 |a Deparametrization and path integral quantization of cosmological models 
245 0 |c Claudio Simeone 
260 |a Singapore 
260 |b World Scientific 
260 |c c2001 
300 |a xi, 139 p. 
520 |a Includes bibliographical references (p. 133-135) and index; The problem of time is a central feature of quantum cosmology: differing from ordinary quantum mechanics, in cosmology there is nothing “outside” the system which plays the role of clock, and this makes difficult the obtention of a consistent quantization. A possible solution is to assume that a subset of the variables describing the state of the universe can be a clock for the remaining of the system. Following this line, in this book a new proposal consisting in the previous identification of time by means of gauge fixation is applied to the quantization of homogeneous cosmological models. Both path integral and canonical formulations are studied for relativistic and string cosmologies; in particular, a complete chapter about low energy string cosmology is included. The required basic concepts (as for example the Hamiltonian formulation of General Relativity) are reviewed, so that the book can be of interest not only for a researcher but also for a student. 
650 |a Gauge invariance; Hamiltonian systems; Path integrals; Quantum gravity; Space and time; Tích phân; Lực hấp dẫn lượng tử; Tích phân đường dẫn 
856 |u http://lrc.tdmu.edu.vn/opac/search/detail.asp?aID=2&ID=32429 
980 |a Trung tâm Học liệu Trường Đại học Thủ Dầu Một